forked from github/verilator
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2003-2020 by Todd Strader. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License.
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// Version 2.0.
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//
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// Verilator is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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//=========================================================================
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///
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/// \file
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/// \brief Verilator: Main used by verilator_replay
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///
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/// This utility will replay trace files onto a verilated design.
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/// It is inteded to be used in conjunction with verilator_replay.
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///
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/// Code available from: http://www.veripool.org/verilator
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///
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//=========================================================================
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#include "verilated_replay.h"
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// TODO -- I know this is C++11 . . . figure this out
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#include <chrono>
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#include <ctime>
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#include <ratio>
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using namespace std::chrono;
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double simTime = 0;
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double sc_time_stamp() {
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return simTime;
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}
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int main(int argc, char** argv) {
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// TODO -- actual arg parsing
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std::string fstFilename(argv[1]);
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VL_PRINTF("FST = %s\n", fstFilename.c_str());
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VerilatedReplay replay(fstFilename, simTime);
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// TODO -- again, arg parsing
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replay.preloadData(true);
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replay.doTrace(false);
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if (replay.init()) exit(-1);
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high_resolution_clock::time_point start = high_resolution_clock::now();
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if (replay.replay()) exit(-1);
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high_resolution_clock::time_point end = high_resolution_clock::now();
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VL_PRINTF("Replay took %ld ns\n",
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std::chrono::duration_cast<std::chrono::nanoseconds>(end-start).count());
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return 0;
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}
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